body {
  font-family: Arial, sans-serif;
}

header {
  background-color: #343a40;
  color: #fff;
  padding: 1rem 0;
  text-align: center;
}

header h1 {
  margin: 0;
}

nav ul {
  list-style: none;
  padding: 0;
  text-align: center;
}

nav ul li {
  display: inline;
  margin: 0 10px;
}

nav ul li a {
  color: #fff;
  text-decoration: none;
}

main {
  padding: 20px;
}

.intro,
.features,
.about,
.services,
.contact {
  background-color: #fff;
  padding: 20px;
  margin-bottom: 20px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h2 {
  color: #343a40;
}

footer {
  background-color: #343a40;
  color: #fff;
  text-align: center;
  padding: 10px 0;
  position: fixed;
  width: 100%;
  bottom: 0;
}

form label {
  display: block;
  margin: 10px 0 5px;
}

form input,
form textarea {
  width: 100%;
  padding: 8px;
  margin-bottom: 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

form button {
  background-color: #343a40;
  color: #fff;
  border: none;
  padding: 10px 20px;
  cursor: pointer;
  border-radius: 4px;
}

form button:hover {
  background-color: #495057;
}